The Yukon Grizzly Locker is similar to a Detroit Locker but features new patent pending design improvements. Yukon Grizzly Lockers feature a forged case and forged 8620 internals for greater strength. The internals feature inner clutch teeth with a larger radius, making them over 350% stronger than back-cut designs. These larger teeth help to avoid breakage against shock-loading or in the event an axle breaks. All Yukon Grizzly Lockers are assembled in the USA and their internals are hand-fitted for faster re-engagement. Yukon Grizzly Lockers are perfect for drag racing, circle track & dirt racing, extreme off-road and heavy-duty towing.

The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It's patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Yukon Grizzly Lockers are perfect for drag racing, circle track & dirt racing, extreme off-road and heavy-duty towing. Get yours today and you wont be sorry, We have them in stock and ready to ship to you

First off a Grizzly Locker is a mechanical/automatic locker very similar to a Detroit Locker. This means that this locker is not selectable and you cannot turn it off and you cannot turn it on. It is activated under load. The simplest way to explain it is that when you give your vehicle throttle it will LOCK UP and when you let off the throttle it will UNLOCK.

A Grizzly Locker is a full carrier replacement like an OPEN CASE, ARB, EATON, SPOOL, ETC...

Benefits of a Grizzly Locker VS Detroit Locker

Lets start with the Detroit. This is a name that has been around for a very long time and this is what the "Good Ol' Boys" know and love. If you ask them which locker to get, they will say Detroit most of the time. The problem is that Detroit Lockers are not what they used to be and we are no longer in the time period where a 33" or 35" Tire is HUGE. We are dealing with 35" & larger for the most part now days. Heck, most JK Owners with daily drivers are rocking 37's 90% of the time. Detroit is owned by The Eaton Corporation which is a very difficult company to deal with. They do things at their own pace and they have very few good distributors that stock their parts. This means that if you break your locker you will likely have a very difficult time getting what you need to fix it. The next problem is when a Detroit breaks it is usually do to a shock load and it requires more parts then you realize and the parts are incredibly expensive. Basically, if you need to get your Detroit warrantied or repaired....good luck. I have witnessed this first hand with my former employer (authorized Eaton distributor). Eaton manufactures the Detroit overseas like most things these days. That is not that big of a deal where quality control exists but I wanted to point it out to the ol' school fellas that know and love Detroits for being US Made.

Next, the Grizzly locker. This unit is made by Yukon. The Yukon Grizzly Locker is similar to a Detroit Locker but features new patent pending design improvements. Yukon Grizzly Lockers feature a forged case and forged 8620 internals for greater strength. The internals feature inner clutch teeth with a larger radius, making them over 350% stronger than back-cut designs (DETROITS). These larger teeth help to avoid breakage against shock-loading or in the event an axle breaks. All Yukon Gear & Axle Grizzly Lockers are assembled in the USA (DETROITS ARE NOT) and their internals are hand-fitted for faster re-engagement. Yukon Grizzly Lockers are perfect for drag racing, circle track & dirt racing, extreme off-road and heavy-duty towing. All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000! This is much better then the "GOOD LUCK" 1 year warranty from Eaton.

One of the Eaton corporations strong points is their wide range of applications. Yukon is growing their application list very rapidly however.

This is not meant to be an attack on the Detroit locker itself. They have/had their time and still have their place. Of course it is mostly in an application where a Grizzly Locker doesn't exist . This is more of an informative post to help the end user/purchaser understand what is what when it comes down to it. Hope that I have helped and if there are any questions regarding either locker just shoot me an email.

The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It's patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It's patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!